/Engine/Source/Runtime/Engine/Classes/GameFramework/PlayerController.h
Widget to focus
[FInputModeGameAndUI](API\Runtime\Engine\GameFramework\FInputModeGameAndUI) & SetWidgetToFocus ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > InWidgetToFocus )